CA2138563C - Dispositif de determination de la deterioration du catalyseur d'un moteur a combustion interne - Google Patents

Dispositif de determination de la deterioration du catalyseur d'un moteur a combustion interne

Info

Publication number
CA2138563C
CA2138563C CA002138563A CA2138563A CA2138563C CA 2138563 C CA2138563 C CA 2138563C CA 002138563 A CA002138563 A CA 002138563A CA 2138563 A CA2138563 A CA 2138563A CA 2138563 C CA2138563 C CA 2138563C
Authority
CA
Canada
Prior art keywords
warm
catalyst body
catalyst
deterioration
counter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002138563A
Other languages
English (en)
Other versions
CA2138563A1 (fr
Inventor
Katsuhiko Toyoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzuki Motor Corp
Original Assignee
Suzuki Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzuki Motor Corp filed Critical Suzuki Motor Corp
Publication of CA2138563A1 publication Critical patent/CA2138563A1/fr
Application granted granted Critical
Publication of CA2138563C publication Critical patent/CA2138563C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
CA002138563A 1994-01-31 1994-12-20 Dispositif de determination de la deterioration du catalyseur d'un moteur a combustion interne Expired - Fee Related CA2138563C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6-27297 1994-01-31
JP02729794A JP3265794B2 (ja) 1994-01-31 1994-01-31 内燃機関の触媒劣化判定装置

Publications (2)

Publication Number Publication Date
CA2138563A1 CA2138563A1 (fr) 1995-08-01
CA2138563C true CA2138563C (fr) 1997-09-23

Family

ID=12217162

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002138563A Expired - Fee Related CA2138563C (fr) 1994-01-31 1994-12-20 Dispositif de determination de la deterioration du catalyseur d'un moteur a combustion interne

Country Status (4)

Country Link
US (1) US5531069A (fr)
JP (1) JP3265794B2 (fr)
CA (1) CA2138563C (fr)
DE (1) DE19500619C2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08338297A (ja) * 1995-04-12 1996-12-24 Toyota Motor Corp 触媒劣化判定装置
EP0786656B1 (fr) * 1995-05-18 2005-11-09 Toyota Jidosha Kabushiki Kaisha Procede de test de durabilite pour dispositif de purification de gaz d'echappement
DE19541903A1 (de) * 1995-11-10 1997-05-15 Bayerische Motoren Werke Ag Überwachungssystem für die Abgasreinigung einer Brennkraftmaschine
US5896743A (en) * 1997-06-24 1999-04-27 Heraeus Electro-Nite International N.V. Catalyst monitor utilizing a lifetime temperature profile for determining efficiency
FR2765914B1 (fr) * 1997-07-08 1999-09-03 Renault Procede de controle d'un moteur a combustion interne
DE19811574A1 (de) 1998-03-17 1999-09-23 Siemens Ag Verfahren und Vorrichtung zum Überwachen der Funktionsfähigkeit eines Katalysators einer Brennkraftmaschine
US6050128A (en) * 1998-05-28 2000-04-18 Ford Global Technologies, Inc. Catalyst deterioration monitoring
US6131439A (en) * 1998-05-28 2000-10-17 Ford Global Technologies, Inc. Catalyst deterioration detection with sensor calibration
US5877413A (en) * 1998-05-28 1999-03-02 Ford Global Technologies, Inc. Sensor calibration for catalyst deterioration detection
US6523341B1 (en) 2000-01-07 2003-02-25 Ford Global Technologies, Inc. Cold start vehicle catalyst monitor
US6993899B2 (en) * 2001-06-20 2006-02-07 Ford Global Technologies, Llc System and method for controlling catalyst storage capacity
US7198952B2 (en) * 2001-07-18 2007-04-03 Toyota Jidosha Kabushiki Kaisha Catalyst deterioration detecting apparatus and method
DE102004050769A1 (de) * 2004-10-16 2006-04-20 Robert Bosch Gmbh Verfahren zum Ermitteln einer Information über eine einer Temperatur ausgesetzten Vorrichtung
JP2007247499A (ja) * 2006-03-15 2007-09-27 Toyota Motor Corp 車載内燃機関の触媒劣化検出装置
DE102007045256A1 (de) * 2007-09-21 2009-04-02 Volkswagen Ag Verfahren zum Prüfen der Funktionsfähigkeit eines Oxidationskatalysators einer Brennkraftmaschine
JP5225428B2 (ja) * 2011-05-17 2013-07-03 三菱電機株式会社 内燃機関の制御装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2564510B2 (ja) * 1985-12-25 1996-12-18 本田技研工業株式会社 内燃エンジンの排気ガス濃度センサの異常検出方法
JP2796413B2 (ja) * 1990-08-29 1998-09-10 株式会社日立製作所 内燃機関の空燃比制御方法及び装置
JP2864699B2 (ja) * 1990-09-05 1999-03-03 日産自動車株式会社 内燃機関の触媒劣化診断装置
US5325664A (en) * 1991-10-18 1994-07-05 Honda Giken Kogyo Kabushiki Kaisha System for determining deterioration of catalysts of internal combustion engines
JP2754433B2 (ja) * 1992-03-10 1998-05-20 本田技研工業株式会社 内燃エンジンの触媒劣化検出装置
US5363647A (en) * 1992-10-13 1994-11-15 Mitsubishi Denki Kabushiki Kaisha Dual-sensor type air fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same

Also Published As

Publication number Publication date
JP3265794B2 (ja) 2002-03-18
JPH07217480A (ja) 1995-08-15
DE19500619A1 (de) 1995-08-03
US5531069A (en) 1996-07-02
DE19500619C2 (de) 2001-12-20
CA2138563A1 (fr) 1995-08-01

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